HEPA vacuum recovery system

Details HEPA vacuum recovery system HEPA vacuum recovery system

2006-03-07

2006-03-07

Hopkins, Robert A. (Department: 1724)

Gas separation: processes

Filtering

Plural separate media

C055S472000, C055S485000, C055S486000

Reexamination Certificate

active

07008468

ABSTRACT:
A vacuum system is enclosed in a housing having two vertically spaced chambers, the lower one enclosing the vacuum generating motor means and the upper chamber defining the vacuum chamber and having therein prefilter and filter means as well as at least two vacuum ports to which vacuum wands are selectively attached, each port being sealed when not in use.

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patent: 5606767 (1997-03-01), Crlenjak et al.
patent: D394132 (1998-05-01), Dixon
patent: 5940926 (1999-08-01), Inzinna et al.

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